Elementary Synthetic Geometry

altitude angle arms axis base bisector bisects BOOK Brocard called CHAPTER chord circle coincide common concurrent concyclic congruent conjugates Construction contains Corollary corresponding cross described diagonal diameter divided draw drawn end point Engineering equal equal angles equal sides equivalent exterior figure fixed four g-line Geometry given point greater half harmonic Hence inscribed intercept internal intersection point Inverse join Lemoine less magnitude Mechanics median meet mid point morocco opposite sides pair parallel pass pencil perpendicular perspective plane polar pole polygon positive Problem produced projections Proof quad quadrant quadrilateral radius range ratio rectangle regard regular respect right angles rotation sect semicircle sense sphere spherical triangle square st's straight straight angle supplemental surface symcenter symcentral symmetrical symtra tangent Theorem third side trace transversal triangle vertex vertices